[WebSocket] Add Cache-Control to the request header.

net/websockets/websocket_handshake_stream_create_helper_test.cc

Index: net/websockets/websocket_handshake_stream_create_helper_test.cc
diff --git a/net/websockets/websocket_handshake_stream_create_helper_test.cc b/net/websockets/websocket_handshake_stream_create_helper_test.cc
index 89e7cc3a727d856701691caf03e313a498be423b..652f1bcad6bd71771913a13efb12df77279627dc 100644
--- a/net/websockets/websocket_handshake_stream_create_helper_test.cc
+++ b/net/websockets/websocket_handshake_stream_create_helper_test.cc
@@ -107,6 +107,8 @@ class WebSocketHandshakeStreamCreateHelperTest : public ::testing::Test {
     HttpRequestHeaders headers;
     headers.SetHeader("Host", "localhost");
     headers.SetHeader("Connection", "Upgrade");
+    headers.SetHeader("Pragma", "no-cache");
+    headers.SetHeader("Cache-Control", "no-cache");
     headers.SetHeader("Upgrade", "websocket");
     headers.SetHeader("Origin", origin);
     headers.SetHeader("Sec-WebSocket-Version", "13");